... I send out a list of most interesting libraries and apps in the "React" section to about 1100 subscribers.
Do you want it too?
Component code and tests for the Australian Government design system
React components for the Carbon Design System
Material Design React Components
A UI Design Language and React UI library
React components for all material design icons.
React components of open-source Orbit design system by Kiwi.com
Guiding principles for building React Components
List of React components I use and recommend